As a proper noun grass

is .

As a noun tallgrass is

(us) any of various tall grasses that flourish in prairie with relatively abundant water.

Shortgrass is a coordinate term of tallgrass.

As nouns the difference between shortgrass and tallgrass

is that shortgrass is the set of short, tough grasses that thrive in arid plains; often specifically the native grasses of the north american great plains while tallgrass is (us) any of various tall grasses that flourish in prairie with relatively abundant water.

Dttv is a see also of dtv.

In television|lang=en terms the difference between dttv and dtv

is that dttv is (television) digital terrestrial television while dtv is (television) digital television broadcast.

Dtv is likely misspelled.

Dtv has no English definition.

As an initialism SDTV

is standard-definition television.

Hd is a see also of dtv.

As an initialism hd

is high-definition.

Dtv is likely misspelled.

Dtv has no English definition.

As an initialism SD

is south Dakota, a state of the United States of America.

As a noun sd

is alternative case form of SD, standard deviation.

Dtv is often a misspelling of dvb.

Dtv has no English definition.

As a noun DVB

is Digital Video Broadcasting

Dbs is a see also of dtv.

In television|lang=en terms the difference between dbs and dtv

is that dbs is (television) direct broadcast satellite while dtv is (television) digital television broadcast.

As an initialism dbs

is (television) direct broadcast satellite.

Dth is a see also of dtv.

Dtv is likely misspelled.

Dtv has no English definition.

As a noun ATSC

is advanced Television Systems Committee.